hotspot/test/serviceability/tmtools/jstat/GcTest02.java
author mchernov
Fri, 03 Feb 2017 15:45:57 +0300
changeset 43933 85ee551f3948
parent 42585 570f4b5312af
child 44633 d2f5e8921045
permissions -rw-r--r--
8170737: Not enough old space utilisation Reviewed-by: dfazunen, tschatzl

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 */

/*
 * @test
 * @summary Test checks output displayed with jstat -gc.
 *          Test scenario:
 *          test forces debuggee application eat ~70% of heap and runs jstat.
 *          jstat should show actual usage of old gen (OC/OU ~= old gen usage).
 * @requires vm.opt.ExplicitGCInvokesConcurrent != true
 * @modules java.base/jdk.internal.misc
 * @library /test/lib
 * @library ../share
 * @run main/othervm -XX:+UsePerfData -XX:MaxNewSize=4m -XX:MaxHeapSize=128M -XX:MaxMetaspaceSize=128M GcTest02
 */
import utils.*;

public class GcTest02 {

    public static void main(String[] args) throws Exception {
        new GarbageProducerTest(new JstatGcTool(ProcessHandle.current().getPid())).run();
    }
}